DTC P0480-14: Fan 1 Control Circuit Low Circuit Short to Ground or Open [12/2021 - ]: Procedure
- INSPECT FAN CONTROL SOLENOID (FLUID COUPLING ASSEMBLY)
Refer to PROCEDURE - Step 1
Result
Proceed to OK NG Result:
NG
REPLACE FAN CONTROL SOLENOID (FLUID COUPLING ASSEMBLY). Refer to REMOVAL [12/2021 - ]
Result:
OK
See step 2
- CHECK TERMINAL VOLTAGE (POWER SOURCE OF FAN CONTROL SOLENOID (FLUID COUPLING ASSEMBLY))
Pre-procedure1
- Disconnect the fan control solenoid (fluid coupling assembly) connector.
- Turn the ignition switch to ON.
Procedure1
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Switch Condition Specified Condition C165-1 (EFC+) - Body ground Ignition switch ON 11 to 14 V Result
Proceed to OK NG Post-procedure1
- None
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (EFI MAIN NO. 1 RELAY - AIR BY-PASS VALVE ASSEMBLY)
Result:
OK
See step 3
- CHECK HARNESS AND CONNECTOR (FAN CONTROL SOLENOID (FLUID COUPLING ASSEMBLY) - ECM)
Pre-procedure1
- Disconnect the fan control solenoid (fluid coupling assembly) connector.
- Disconnect the ECM connector.
Procedure1
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C165-3 (GDFC) - C38-2 (CFDS) Always Below 1 Ω C165-3 (GDFC) or C38-2 (CFDS) - Body ground and other terminals Always 10 kΩ or higher Result
Proceed to OK NG Post-procedure1
- None
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 4
- CLEAR DTC
Pre-procedure1
- None
Procedure1
- Clear the DTCs.
Powertrain > Engine > Clear DTCs
Result
Proceed to NEXT Post-procedure1
- Turn the ignition switch off and wait for at least 30 seconds.
Result:
NEXT
See step 5
- None
- CHECK WHETHER DTC OUTPUT RECURS (DTC P0480-14)
Pre-procedure1
- Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
Procedure1
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to DTCs are not output A P0480-14 is output B Post-procedure1
- None
Result:
A
CHECK FOR INTERMITTENT PROBLEMS. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]
Result:
B
REPLACE ECM. Refer to REMOVAL [12/2021 - ]
- Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.